213990265

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{2441}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 261098640

約数和(自身を除く): 47108375

約数列:

[1, 5, 89, 197, 445, 985, 2441, 12205, 17533, 87665, 217249, 480877, 1086245, 2404385, 42798053, 213990265]

約数ペア:

[(1, 213990265), (5, 42798053), (89, 2404385), (197, 1086245), (445, 480877), (985, 217249), (2441, 87665), (12205, 17533)]